:root{
  --navy:#0e3a5f; --navy-700:#0b2e4b; --teal:#27a78f; --teal-600:#1f8f7a;
  --ink:#172a3a; --muted:#5b6b78; --line:#e4e9ee; --bg:#ffffff; --bg-soft:#f5f8fa;
  --radius:14px; --shadow:0 1px 2px rgba(16,40,60,.06),0 8px 24px rgba(16,40,60,.06);
  --maxw:1140px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Inter",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);margin:0 0 .4em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-weight:600;border-radius:10px;padding:11px 18px;border:1px solid transparent;cursor:pointer;transition:.15s ease;font-size:15px;white-space:nowrap}
.btn-lg{padding:14px 24px;font-size:16px}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 16px rgba(39,167,143,.28)}
.btn-primary:hover{background:var(--teal-600);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);background:var(--bg-soft)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:9px;font-size:20px;color:var(--ink);font-weight:600}
.brand strong{color:var(--teal);font-weight:800}
.brand-mark{flex:0 0 auto}
.nav-links{display:flex;gap:26px;margin-left:8px}
.nav-links a{color:var(--muted);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--navy)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.lang{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:14px}
.lang button{background:none;border:none;color:var(--muted);font-weight:600;cursor:pointer;padding:2px 2px;font-size:14px}
.lang button.active{color:var(--navy);text-decoration:underline}
.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--navy)}

/* hero */
.hero{padding:64px 0 40px;background:linear-gradient(180deg,#f7fafc, #fff)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{color:var(--teal-600);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:13px;margin:0 0 14px}
.hero h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.02em;margin-bottom:18px}
.lead{font-size:19px;color:var(--muted);max-width:46ch}
.hero-cta{display:flex;gap:12px;margin:26px 0 18px;flex-wrap:wrap}
.trust{font-size:14px;color:var(--muted)}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:3/2;object-fit:cover}

/* band */
.band{background:var(--navy);color:#dce8f0}
.band-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 24px;flex-wrap:wrap}
.band-row>span{font-weight:600;color:#fff}
.stats{list-style:none;display:flex;gap:34px;margin:0;padding:0}
.stats li{display:flex;flex-direction:column;font-size:13px;color:#9fc0d6}
.stats strong{font-size:22px;color:#fff;font-weight:800}

/* sections */
.section{padding:72px 0}
.section-alt{background:var(--bg-soft)}
.section-title{font-size:clamp(24px,3vw,34px);letter-spacing:-.01em;text-align:center}
.section-sub{text-align:center;color:var(--muted);max-width:60ch;margin:0 auto 40px;font-size:17px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cards-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{font-size:18px}
.card p{color:var(--muted);margin:0;font-size:15px}
.card .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:#eafaf5;color:var(--teal-600);font-size:20px;margin-bottom:14px}

/* how */
.how-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.steps{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:22px}
.steps li{display:flex;gap:16px}
.steps .num{flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700}
.steps h3{font-size:18px;margin-bottom:3px}
.steps p{margin:0;color:var(--muted)}
.how-media img{border-radius:var(--radius);box-shadow:var(--shadow);object-fit:cover;aspect-ratio:1/1}

/* chips */
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:11px 18px;font-weight:600;color:var(--navy);font-size:15px;box-shadow:var(--shadow)}
.chips li:hover{border-color:var(--teal);color:var(--teal-600)}

/* suppliers band */
.suppliers{position:relative;color:#fff;background:var(--navy)}
.suppliers::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(11,46,75,.82),rgba(11,46,75,.86)),var(--bg);background-size:cover;background-position:center}
.suppliers-inner{position:relative;text-align:center;max-width:64ch;margin:0 auto}
.suppliers h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.suppliers p{color:#cfe0ec;font-size:18px;margin:14px auto 26px}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.section-title,.contact-copy .section-title{text-align:left}
.contact-copy .section-sub{text-align:left;margin-left:0}
.ticks{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.ticks li{padding-left:28px;position:relative;color:var(--ink)}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--teal-600);font-weight:800}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:block;margin-bottom:16px}
.contact-form label>span{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:15px;color:var(--ink);background:#fff}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(39,167,143,.15)}
.contact-form textarea{resize:vertical}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-msg{margin:0;font-size:14px;font-weight:600}
.form-msg.ok{color:var(--teal-600)}
.form-msg.err{color:#c0392b}
.form-fine{font-size:12px;color:var(--muted);margin:14px 0 0}

/* footer */
.site-footer{background:var(--navy-700);color:#b9cddc;padding:56px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.brand-light{color:#fff}.brand-light strong{color:#fff}
.site-footer h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
.site-footer a{display:block;color:#b9cddc;margin-bottom:9px}
.site-footer a:hover{color:#fff}
.foot-note{color:#90aabd;margin:12px 0 0;max-width:34ch}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;color:#90aabd;font-size:13px}

/* responsive */
@media(max-width:920px){
  .nav-links{display:none}
  .menu-toggle{display:block;order:3}
  .nav-actions .btn-primary{display:none}
  .hero-grid,.how-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .cards,.cards-4{grid-template-columns:1fr 1fr}
  .site-header.open .nav-links{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;gap:14px}
}
@media(max-width:560px){
  .cards,.cards-4{grid-template-columns:1fr}
  .contact-form .row{grid-template-columns:1fr}
  .band-row{justify-content:flex-start}
  .stats{gap:22px}
  .section{padding:52px 0}
}